Gruen Factory Balance Staff for caliber 405 - New

ONE Gruen Factory Balance Staff for caliber 405 movements and variants (406, 410, 411), new in open envelope. See images for further details. I likely have several of these so the one you get may differ slightly from the images. I specialize is hard to find watch parts so I'll usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.